Lithotripsy: A procedure to break a stone into small particles that can be passed in the u... Liver: The largest solid organ in the body, situated in the upper part of the abdomen on t... Mitral valve: A valve in the heart that is situated between the left atrium and the left v...
A topped golf shot is caused by a player hitting the ball above its equator. Compare this to a thinned shot where the leading edge of the club face catches the ball below the equator but not low enough to make full contact.
Here is a list of the most common causes for pinging starting with the most popular ones. 1  Fuel octane rating too low. 2  Compression too high. (usually caused by carbon build up inside the combustion chambers) 3  Over heating of the engine or just an individual cylinder. (Hot spots)  Knock detector faulty.